Improve the ability to debug swig-rb bindings failures.
Improve the ability to debug swig-rb bindings failures.

* subversion/bindings/swig/ruby/test/util.rb
  (setup_default_variables): Put the repository in a temporary location as well,
    so that each test uses its own repo.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1298434 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion